/*!
 * Port of body-parser (https://github.com/expressjs/body-parser) for Deno.
 *
 * Licensed as follows:
 *
 * (The MIT License)
 *
 * Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
 * Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

import type { OpineRequest } from "../../types.ts";
import { typeofrequest } from "../../../deps.ts";

/**
 * Get the simple type checker.
 *
 * @param {string} type
 * @return {function}
 */
export function typeChecker(type: string) {
  return function checkType(req: OpineRequest) {
    return Boolean(typeofrequest(req.headers, [type]));
  };
}
